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EP0289705B1 - Bei hoher Temperatur entladbares galvanisches Primärelement mit alkalischem Elektrolyten - Google Patents

Bei hoher Temperatur entladbares galvanisches Primärelement mit alkalischem Elektrolyten Download PDF

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Publication number
EP0289705B1
EP0289705B1 EP88101576A EP88101576A EP0289705B1 EP 0289705 B1 EP0289705 B1 EP 0289705B1 EP 88101576 A EP88101576 A EP 88101576A EP 88101576 A EP88101576 A EP 88101576A EP 0289705 B1 EP0289705 B1 EP 0289705B1
Authority
EP
European Patent Office
Prior art keywords
electrode
primary cell
cell according
metal
cadmium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88101576A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0289705A2 (de
EP0289705A3 (en
Inventor
Rolf Hennrich
Heinz-Werner Dr. Dipl.-Chem. Nientiedt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VARTA Batterie AG
Original Assignee
VARTA Batterie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VARTA Batterie AG filed Critical VARTA Batterie AG
Publication of EP0289705A2 publication Critical patent/EP0289705A2/de
Publication of EP0289705A3 publication Critical patent/EP0289705A3/de
Application granted granted Critical
Publication of EP0289705B1 publication Critical patent/EP0289705B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426—Fluorocarbon polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0014—Alkaline electrolytes

Definitions

  • the invention relates to a primary element that can be discharged at high temperature, consisting of a positive silver oxide or brown stone electrode, a negative cadmium electrode and an alkaline electrolyte in a metal housing of the round cell type.
  • an alkaline battery which has a negative cadmium electrode and a positive silver oxide electrode.
  • DE-OS 3337570 shows a primary element of the type mentioned at the beginning.
  • Such round cells preferably based on the powerful alkaline silver oxide / zinc system, are required in particular for probes and auxiliary devices when exploring mineral resources. Since ever deeper layers of the earth have to be tapped to find and promote them, the temperature prevailing there becomes the most important stress factor that decides on the options for using a battery.
  • a good prerequisite for ensuring that, for example, brown stone cells remain sufficiently functional even at temperatures above 100 ° C. has already been created by the introduction of the potassium hydroxide solution instead of the leclanché electrolyte in conventional primary elements.
  • the invention is therefore based on the object of modifying an alkaline primary element based on the otherwise proven design principle of the round cell with an externally arranged positive electrode so that its reliable use is also possible in the temperature range mentioned and without the dangerous tendency towards gassing.
  • a concentric electrode configuration which consists of an outer ring cylinder which forms the positive electrode and is composed of silver oxide or brown stone powder compacts, and the interior of which is filled with a cadmium electrode in the form of a round winding with the interposition of a separator .
  • a cadmium electrode is used with particular advantage, which can be obtained by cathodic metal deposition from cadmium salt solutions on a carrier metal strip by a process known from DE-OS 28 22 821 and which is therefore also referred to as an electrode deposit electrode.
  • the figure shows the overall structure of the primary element according to the invention.
  • the cathode rings 2 made of pressed silver oxide and / or brown stone powder, which may contain conductive material such as e.g. Contains carbon, pressed in tubularly.
  • a single-layer or multi-layer separator made of thin foils and / or nonwoven layers rests on the cathode rings, but preferably consists of an external PTFE grid and an inner ion exchange membrane 4 shaped as a sleeve, the bottom of the sleeve being reinforced by an insulating insert 5 made of PTFE is.
  • a further insulating disk 6 separates the cell internals from the metallic bottom of the housing cup 1.
  • the interior of the cell is essentially taken up by the cadmium electrode 7, which is designed as a round winding, the carrier metal strip on which the winding is based consists of nickel, a nickel steel, silver or also copper.
  • a pin 8 preferably made of stainless steel, serves as a negative arrester, which is screwed to a contact disk 9 by means of a nut 10, possibly also welded or riveted.
  • the contact disk 9 is welded to the round winding 7.
  • the arrester 8 leads through the opening of the metallic cover 11 and forms the negative cell pole on the upper side thereof together with the rivet ring 12. So that he does not get in contact with the end cover, there is a sealing (13) or insulating washer 14 below and above the end cover 11, preferably made of PTFE or another alkali and high temperature resistant plastic, e.g. Polyether ketone.
  • An aqueous potassium hydroxide solution serves as electrolyte 15.
  • the end cover 11 is hermetically sealed to the housing cup 1 by laser welding.
  • Such a primary element according to the invention can be used even at extremely high temperatures (up to 200 ° C. and above) and fulfills the task set because its negative electrode does not develop hydrogen under the conditions mentioned.
  • the internal pressure of the cell is essentially determined by the vapor pressure of the electrolyte (approx. 6 bar at 200 ° C).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
  • Conductive Materials (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP88101576A 1987-05-02 1988-02-04 Bei hoher Temperatur entladbares galvanisches Primärelement mit alkalischem Elektrolyten Expired - Lifetime EP0289705B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3714654 1987-05-02
DE19873714654 DE3714654A1 (de) 1987-05-02 1987-05-02 Bei hoher temperatur entladbares galvanisches primaerelement mit alkalischem elektrolyten

Publications (3)

Publication Number Publication Date
EP0289705A2 EP0289705A2 (de) 1988-11-09
EP0289705A3 EP0289705A3 (en) 1989-03-22
EP0289705B1 true EP0289705B1 (de) 1992-06-24

Family

ID=6326703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101576A Expired - Lifetime EP0289705B1 (de) 1987-05-02 1988-02-04 Bei hoher Temperatur entladbares galvanisches Primärelement mit alkalischem Elektrolyten

Country Status (13)

Country Link
US (1) US4897323A (xx)
EP (1) EP0289705B1 (xx)
JP (1) JP2683027B2 (xx)
BR (1) BR8802079A (xx)
CA (1) CA1290394C (xx)
DE (2) DE3714654A1 (xx)
ES (1) ES2032878T3 (xx)
GR (1) GR3005452T3 (xx)
HK (1) HK34493A (xx)
IL (1) IL85815A (xx)
MX (1) MX167570B (xx)
NO (1) NO171877C (xx)
SG (1) SG126492G (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68926642T2 (de) * 1988-01-22 1996-11-28 Japan Storage Battery Co Ltd Alkalische batterien und verfahren zur herstellung
US5427872A (en) * 1993-11-17 1995-06-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Dendrite preventing separator for secondary lithium batteries
KR100274889B1 (ko) * 1998-05-08 2001-02-01 김순택 각형 이차전지의 캡 어셈블리
US7479349B2 (en) * 2002-12-31 2009-01-20 Cardiac Pacemakers, Inc. Batteries including a flat plate design
US7926243B2 (en) * 2009-01-06 2011-04-19 Graham Packaging Company, L.P. Method and system for handling containers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE513992A (xx) * 1951-09-15
US2970180A (en) * 1959-06-17 1961-01-31 Union Carbide Corp Alkaline deferred action cell
FR1284552A (fr) * 1960-11-23 1962-02-16 Yardney International Corp Générateur électro-chimique étanche
US3945847A (en) * 1971-12-28 1976-03-23 Union Carbide Corporation Coherent manganese dioxide electrodes, process for their production, and electrochemical cells utilizing them
FR2392502A1 (fr) * 1977-05-24 1978-12-22 Wonder Procede et dispositif pour fabriquer des electrodes negatives, notamment en cadmium ou en zinc, pour generateurs electrochimiques et electrodes negatives ainsi obtenues
CA1128121A (en) * 1978-03-30 1982-07-20 Union Carbide Corporation Cadium compound additive for cells using divalent silver oxide
US4185144A (en) * 1978-09-05 1980-01-22 Polaroid Corporation Electrochemical cell with a cadmium patch electrode
JPS5736782A (en) * 1980-08-12 1982-02-27 Citizen Watch Co Ltd Alkaline battery
JPS58209067A (ja) * 1982-05-28 1983-12-05 Toshiba Corp 電池
DE3337570C2 (de) * 1983-10-15 1986-03-13 Varta Batterie Ag, 3000 Hannover Bei hoher Temperatur entladbares galvanisches Primärelement

Also Published As

Publication number Publication date
DE3714654A1 (de) 1988-11-10
HK34493A (en) 1993-04-16
GR3005452T3 (xx) 1993-05-24
MX167570B (es) 1993-03-30
US4897323A (en) 1990-01-30
NO171877B (no) 1993-02-01
NO880924L (no) 1988-11-03
JP2683027B2 (ja) 1997-11-26
JPS63284762A (ja) 1988-11-22
IL85815A0 (en) 1988-09-30
EP0289705A2 (de) 1988-11-09
BR8802079A (pt) 1988-11-29
CA1290394C (en) 1991-10-08
SG126492G (en) 1993-02-19
ES2032878T3 (es) 1993-03-01
EP0289705A3 (en) 1989-03-22
DE3872299D1 (de) 1992-07-30
IL85815A (en) 1991-06-30
NO880924D0 (no) 1988-03-02
NO171877C (no) 1993-05-12

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